Unique Oval Ring Engagement – 18K Gold & Platinum
Ring Size Chart
Find below a conversion chart for ring sizes. Please note, this should only act as a guide and sizing will differ depending on the brand and style.
MM | 12.45 | 12.85 | 13.26 | 13.67 | 14.07 | 14.48 | 14.88 | 15.29 | 15.49 | 15.9 |
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US | 1 | 1½ | 2 | 2½ | 3 | 3½ | 4 | 4½ | 4¾ | 5¼ |
NZ/UK | B | C | D | E | F | G | H | I | J | K |
MM | 16.31 | 16.71 | 17.12 | 17.53 | 17.93 | 18.34 | 18.75 | 19.15 | 19.56 |
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US | 5¾ | 6¼ | 6¾ | 7¼ | 7¾ | 8¼ | 8¾ | 9¼ | 9¾ |
NZ/UK | L | M | N | O | P | Q | R | S | T |
MM | 19.96 | 20.37 | 20.78 | 21.18 | 21.59 | 21.79 | 22.4 | 22.81 | 23.01 | 23.42 |
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US | 10¼ | 10¾ | 11¼ | 11¾ | 12¼ | 12½ | 13¼ | 13¾ | 14 | 14½ |
NZ/UK | U | V | W | X | Y | Z | Z+1 | Z+2 | Z+3 | Z+4 |
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Unique Oval Ring Engagement – 18K Gold & Platinum
Introducing the Raphana Oval Ring Engagement—a statement piece that blends elegance and modern craftsmanship. Available in 18K yellow gold, rose gold, white gold, or platinum, this unique engagement ring showcases your choice of a lab-grown or natural oval diamond as its centerpiece. Surrounding the central oval are eight meticulously set side diamonds: four marquise-cut and four round-cut stones that accentuate the ring’s graceful silhouette.
Feature |
Natural Diamond |
Lab-Grown Diamond |
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Origin |
Earth-formed over billions of years |
Grown in a lab using CVD or HPHT technology |
Certification |
GIA (Gemological Institute of America) |
IGI (International Gemological Institute) |
Carat |
0.7ct-1.5ct |
0.7ct-5ct |
Color Range |
D |
D |
Clarity Range |
VVS1 |
VVS2 |
Brilliance |
Exceptional brilliance with unique character |
Virtually identical brilliance, more consistency |
Rarity |
Naturally rare and finite |
Consistently available |
Sourcing |
Conflict-free, ethically mined |
Ethically produced with minimal environmental impact |
Key Features
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Center Diamond:
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Shape: Oval (choose lab-grown or natural)
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Quality: GIA-certified or IGI-certified options available
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Side Diamonds:
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4 × Marquise-cut stones for timeless sparkle
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4 × Round-cut stones for balanced brilliance
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Metal Options:
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18K Yellow Gold
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18K Rose Gold
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18K White Gold
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Platinum
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Band Style:
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Classic prong setting with a tapered shank that showcases the oval center
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Comfortable, slightly rounded inner profile for everyday wear
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Why You’ll Love It
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Unique Design:
The combination of an elegant oval center plus marquise and round side stones creates a halo-inspired look without overpowering the finger. This ring is as individual as you are—perfect for the modern bride who wants something different from a standard solitaire.
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Ethical Choices:
Choose between a lab-grown diamond—ensuring sustainability and up to 70% more size for your budget—or a natural, earth-mined diamond certified conflict-free through our trusted sourcing partners.
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Versatile Luxury:
Whether you prefer the warm glow of 18K yellow gold or the cool brilliance of platinum, this engagement ring adapts to your personal style. Pair it with a matching wedding band or mix metals for a custom stack.
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Craftsmanship & Durability:
Made by our master jewellers in Auckland, each ring is carefully inspected for perfect alignment, secure prong settings, and a high-polish finish. The 9–9.5 Mohs hardness of the oval diamond ensures lasting durability, while our metals are selected to resist tarnish and wear over time.
Specifications
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Center Diamond Carat Range: 0.50 – 20ct (customizable)
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Side Diamond Carat Total: 0.25 – 0.40 ct (combined)
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Ring Width at Shank: 2.2 mm tapering to 1.8 mm
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Available Ring Sizes: US 4 – US 9 / UK J - Q(half sizes available)
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Customization:
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Alternate metal finish
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Custom engraving inside the band
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How to Order
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Select Metal: Choose your metal type (18K yellow, rose, white gold, or platinum).
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Choose Center Diamond: Pick lab-grown (for ethical savings) or natural (for heirloom value).
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Pick Your Size: Use our ring size guide or book an in-person fitting at our Auckland studio.
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Finalise & Confirm: Review your quote and pay the deposit. Enjoy a 4–6 week handcrafted turnaround.
Elevate your love story with the Raphana Oval Ring Engagement—where timeless design meets ethical luxury.
Order this piece online today! Crafted with care, it takes 6 weeks to create. Need it sooner or want a personal touch? Contact us—we’re happy to make it perfect for you!